diff --git a/unitTests/rawTestData/Calculation/DateTime/DATE.data b/unitTests/rawTestData/Calculation/DateTime/DATE.data
new file mode 100644
index 00000000..3bfb0b99
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/DATE.data
@@ -0,0 +1,78 @@
+# Year	Month	Day		Result		Comments
+18,	11,	11,		6890
+1900,	1,	1,		1		//	Excel 1900 Calendar Base Date
+1900,	2,	28,		59		//	Day before Excel mythical 1900 leap day
+1900,	2,	29,		60		//	Excel mythical 1900 leap day
+1900,	3,	1,		61		//	Day after Excel mythical 1900 leap day
+1901,	12,	13,		713		//	Day after Excel mythical 1900 leap day
+1901,	12,	14,		714		//	PHP 32-bit Earliest Date
+1903,	12,	31,		1461
+1904,	1,	1,		1462		//	Excel 1904 Calendar Base Date
+1904,	1,	2,		1463
+1960,	12,	19,		22269
+1970,	1,	1,		25569		//	PHP Base Date
+1982,	12,	7,		30292
+2008,	6,	12,		39611
+2038,	1,	19,		50424		//	PHP 32-bit Latest Date
+2038,	1,	20,		50425		//	Day after PHP 32-bit Latest Date
+2008,	1,	1,		39448
+2008,	1,	,		39447
+2008,	1,	-1,		39446
+2008,	1,	-30,		39417
+2008,	1,	-31,		39416
+2008,	1,	-365,		39082
+2008,	3,	1,		39508
+2008,	3,	,		39507
+2008,	3,	-1,		39506
+2008,	3,	-365,		39142
+2008,	,	1,		39417
+2008,	-1,	1,		39387
+2008,	-11,	1,		39083
+2008,	-12,	1,		39052
+2008,	-13,	1,		39022
+2008,	-13,	30,		39051
+2008,	-13,	,		39021
+2008,	-13,	-30,		38991
+2008,	-13,	-31,		38990
+2008,	13,	1,		39814
+2007,	15,	,		39507
+2008,	26,	1,		40210
+2008,	26,	-10,		40199
+2008,	-26,	61,		38686
+2010,	-15,	-50,		39641
+2010,	-15,	50,		39741
+2010,	15,	-50,		40552
+2010,	15,	50,		40652
+2010,	1.5,	1,		40179
+2010,	1.5,	0,		40178
+2010,	0,	1.5,		40148
+2010,	1,	1.5,		40179
+2012,	6,	15,		41075
+2012,	6,	,		41060
+2012,	,	15,		40892
+,	6,	15,		167
+10,	6,	15,		3819
+10,	,	,		3622
+,	10,	,		274
+,	,	10,		"#NUM!"
+-20,	,	,		"#NUM!"
+-20,	6,	15,		"#NUM!"
+9999,	12,	31,		2958465		//	Excel Maximum Date
+10000,	1,	1,		"#NUM!"		//	Exceeded Excel Maximum Date
+2008,	8,	10,		39670
+2008,	12,	31,		39813
+2008,	8,	32,		39692
+2008,	13,	31,		39844
+2009,	1,	0,		39813
+2009,	1,	-1,		39812
+2009,	0,	0,		39782
+2009,	0,	-1,		39781
+2009,	-1,	0,		39752
+2009,	-1,	-1,		39751
+2010,	0,	-1,		40146
+2010,	5,	31,		40329
+2010,	1,	21st,		40199		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+2010,	"March",21st,		40168		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"ABC",	1,	21,		"#VALUE!"
+2010,	"DEF",	21,		"#VALUE!"
+2010,	3,	"GHI",		"#VALUE!"
diff --git a/unitTests/rawTestData/Calculation/DateTime/DATEVALUE.data b/unitTests/rawTestData/Calculation/DateTime/DATEVALUE.data
new file mode 100644
index 00000000..a7acb029
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/DATEVALUE.data
@@ -0,0 +1,66 @@
+# Date String			Result
+"25-Dec-1899",			"#VALUE!"
+"31-Dec-1899",			"#VALUE!"
+"1-Jan-1900",			1
+"1900/2/28",			59
+"29-02-1900",			60
+"29th February 1900",		60		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"1900/3/1",			61
+"13-12-1901",			713
+"14-12-1901",			714
+"1903/12/31",			1461
+"1-Jan-1904",			1462
+"2nd-Jan-1904",			1463		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"19-12-1960",			22269
+"1st January 1970",		25569		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"7-Dec-1982",			30292
+"1-1-2008",			39448
+"2038-01-19",			50424
+"2-6-2008",			39601
+"December 25th 2008",		39807		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"1 Jan-2008",			39448
+"12-31-2008",			39813		//	MS Excel success or failure dependent on country settings
+"31-12-2008",			39813		//		PHPExcel tries to handle both US and UK formats, irrespective of country settings
+"8/22/2008",			39682		//	MS Excel success or failure dependent on country settings
+"22/8/2008",			39682		//		PHPExcel tries to handle both US and UK formats, irrespective of country settings
+"22/8/08",			39682
+"22-AUG-2008",			39682
+"2008/02/23",			39501
+"6-7-2008",			39635
+"28-2-2007",			39141		//	MS Excel success or failure dependent on country settings
+"2-28-2007",			39141		//		PHPExcel tries to handle both US and UK formats, irrespective of country settings
+"29-2-2007",			"#VALUE!"	//	Should fail because it's an invalid date, but PHPExcel currently adjusts to 1-3-2007 - FIX NEEDED
+"1/1/1999",			36161
+"1954-07-20",			19925
+"22 August 98",			36029
+"1st March 2007",		39142		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"The 1st day of March 2007",	"#VALUE!"
+"1 Jan",			40909
+"31/12",			41274
+"12/31",			11658		//	???
+"5-JUL",			41095
+"5 Jul",			41095
+"12/2008",			39783
+"10/32",			11963
+11,				"#VALUE!"
+TRUE,				"#VALUE!"
+FALSE,				"#VALUE!"
+1,				"#VALUE!"
+12345,				"#VALUE!"
+12,				"#VALUE!"
+"12-Feb-2010",			40221
+"Feb-12-2010",			40221		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"February-12-2010",		40221		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"February 12 2010",		40221		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"18 Feb 2010",			40227
+"17th 3rd 2010",		40254		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"Feb 18th 2010",		40227		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"1st Feb 2010",			40210		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"1st-Feb-2010",			40210		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"1me Fev 2010",			"#VALUE!"
+"February 1st 2010",		40210		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"2nd Feb 2010",			40211		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"Second Feb 2010",		"#VALUE!"
+"First August 2010",		"#VALUE!"
+"1st August 2010",		40391		//	MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+"15:30:25",			0
diff --git a/unitTests/rawTestData/Calculation/DateTime/DAY.data b/unitTests/rawTestData/Calculation/DateTime/DAY.data
new file mode 100644
index 00000000..e49059c2
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/DAY.data
@@ -0,0 +1,8 @@
+# Date Value	Result
+22269,		19
+30348,		1
+30843,		10
+"11-Nov-1918",	11
+"28-Feb-1904",	28
+"Invalid",	"#VALUE!"
+-1,		"#NUM!"
diff --git a/unitTests/rawTestData/Calculation/DateTime/EDATE.data b/unitTests/rawTestData/Calculation/DateTime/EDATE.data
new file mode 100644
index 00000000..711c4ed0
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/EDATE.data
@@ -0,0 +1,15 @@
+"15-Jan-2008",	1,	39493
+"15-Jan-2008",	-1,	39431
+"15-Jan-2008",	2,	39522
+"31-Mar-2007",	1,	39202
+"31-Mar-2007",	-1,	39141
+"31-Mar-2008",	-1,	39507
+"31-Mar-2008",	-4,	39416
+"29-Feb-2008",	-12,	39141
+"15-Mar-2007",	3,	39248
+22269.0,	0,	22269
+22269.0,	2,	22331
+22269.0,	110,	25618
+22269.0,	-110,	18920
+"15-Mar-2007",	"ABC",	"#VALUE!"
+"Invalid",	12,	"#VALUE!"
diff --git a/unitTests/rawTestData/Calculation/DateTime/EOMONTH.data b/unitTests/rawTestData/Calculation/DateTime/EOMONTH.data
new file mode 100644
index 00000000..bd9063d8
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/EOMONTH.data
@@ -0,0 +1,17 @@
+"15-Jan-2008",	1,	39507
+"15-Jan-2008",	-1,	39447
+"15-Jan-2008",	2,	39538
+"31-Mar-2007",	1,	39202
+"31-Mar-2007",	-1,	39141
+"31-Mar-2008",	-1,	39507
+"31-Mar-2008",	-4,	39416
+"29-Feb-2008",	-12,	39141
+"15-Mar-2007",	3,	39263
+22269.0,	0,	22281
+22269.0,	2,	22340
+22269.0,	110,	25627
+22269.0,	-110,	25627
+22269.0,	3,	22371
+22269.0,	3.75,	22371
+"15-Mar-2007",	"ABC",	"#VALUE!"
+"Invalid",	12,	"#VALUE!"
diff --git a/unitTests/rawTestData/Calculation/DateTime/HOUR.data b/unitTests/rawTestData/Calculation/DateTime/HOUR.data
new file mode 100644
index 00000000..bcdfa13c
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/HOUR.data
@@ -0,0 +1,11 @@
+0.25,			6
+0.75,			18
+0.5,			12
+0.6,			14
+"11-Nov-1918 11:11",	11
+"11:59 PM",		23
+"23:59:59",		23
+3600,			2
+-3600,			0
+7200,			3
+65535,			19
diff --git a/unitTests/rawTestData/Calculation/DateTime/MINUTE.data b/unitTests/rawTestData/Calculation/DateTime/MINUTE.data
new file mode 100644
index 00000000..2f132e25
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/MINUTE.data
@@ -0,0 +1,11 @@
+0.2,			48
+0.4,			36
+0.6,			24
+0.8,			12
+"11-Nov-1918 11:15",	15
+"11:59 PM",		59
+"23:59:59",		59
+3600,			0
+-3600,			0
+12500,			28
+65535,			12
\ No newline at end of file
diff --git a/unitTests/rawTestData/Calculation/DateTime/MONTH.data b/unitTests/rawTestData/Calculation/DateTime/MONTH.data
new file mode 100644
index 00000000..961a4ffe
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/MONTH.data
@@ -0,0 +1,12 @@
+,		1
+0,		1
+22269.0,	12
+30348.0,	2
+30843.0,	6
+"11-Nov-1918",	11
+"28-Feb-1904",	2
+"01 Jul 2003",	7
+38094,		4
+"Dec 2003",	12
+-10,		"#NUM!"
+"ABCD",		"#VALUE!"
\ No newline at end of file
diff --git a/unitTests/rawTestData/Calculation/DateTime/NETWORKDAYS.data b/unitTests/rawTestData/Calculation/DateTime/NETWORKDAYS.data
new file mode 100644
index 00000000..a46a2880
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/NETWORKDAYS.data
@@ -0,0 +1,18 @@
+"1-Jan-2007", "10-Jan-2007",							8
+"18-Jun-2008", "20-Jun-2008",							3
+"16-Jun-2008", "20-Jun-2008",							5
+"14-Jun-2008", "20-Jun-2008",							5
+"20-Jun-2008", "20-Jun-2008",							1
+"21-Jun-2008", "21-Jun-2008",							0
+"20-Jun-2008", "20-Jun-2008", "20-Jun-2008",					0
+"20-Jun-2008", "20-Jun-2008", "20-Jun-2008", "20-Jun-2008",			0
+"14-Jun-2008", "25-Jun-2008",							8
+"19-Dec-1960", "10-Jan-1961",							17
+"10-Jan-1961", "19-Dec-1960",							-17
+"19-Dec-1960", "10-Jan-1961", "25-Dec-1960", "26-Dec-1960", "01-Jan-1961",	16
+"10-Jan-1961", "19-Dec-1960", "25-Dec-1960", "26-Dec-1960", "01-Jan-1961",	-16
+"1-Jan-2007", "31-Mar-2007",							65
+"1-Jan-2007", "31-Jan-2007",							23
+"1-Jan-2007", "1-Feb-2007",							24
+"1-Jan-2007", "28-Feb-2007",							43
+"31-Jan-2007", "1-Feb-2007",							2
diff --git a/unitTests/rawTestData/Calculation/DateTime/SECOND.data b/unitTests/rawTestData/Calculation/DateTime/SECOND.data
new file mode 100644
index 00000000..a5258a34
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/SECOND.data
@@ -0,0 +1,11 @@
+0.2339930556,		57
+0.4202893519,		13
+0.6078935185,		22
+0.8022106481,		11
+"11-Nov-1918 11:15:35",	35
+"11:59 PM",		0
+"23:59:59",		59
+3600,			0
+-3601,			59
+12500,			20
+65535,			15
\ No newline at end of file
diff --git a/unitTests/rawTestData/Calculation/DateTime/TIME.data b/unitTests/rawTestData/Calculation/DateTime/TIME.data
new file mode 100644
index 00000000..ceb394da
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/TIME.data
@@ -0,0 +1,23 @@
+18,	11,	11,	0.757766203704
+6,	15,	5,	0.260474537037
+12,	30,	10,	0.520949074074
+18,	45,	25,	0.781539351852
+15,	32,	50,	0.647800925926
+12,	,	61,	0.500706018519
+11,	,	-1,	0.458321759259
+10,	,	-67,	0.415891203704
+13,	62,	5,	0.584780092593
+9,	-80,	17,	0.319641203704
+8,	-162,	,	0.220833333333
+2,	-120,	-1,	"#NUM!"
+2,	-120,	,	0.000000000000
+2,	-120,	1,	0.000011574074
+36,	1,	2,	0.500717592593
+-1,	2,	3,	"#NUM!"
+-1,	61,	29,	0.001030092593
+-1,	61,	-60,	0.000000000000
+"A",	,	,	"#VALUE!"
+11,	59,	0,	0.499305555556
+12,	0,	0,	0.500000000000
+16,	48,	10,	0.700115740741
+
diff --git a/unitTests/rawTestData/Calculation/DateTime/TIMEVALUE.data b/unitTests/rawTestData/Calculation/DateTime/TIMEVALUE.data
new file mode 100644
index 00000000..1fc4a226
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/TIMEVALUE.data
@@ -0,0 +1,13 @@
+"12:00:00 am",		0
+"12:01:02 am",		0.000717593
+"12:03 pm",		0.502083333
+"12:7:11 pm",		0.504988426
+"4:13:39",		0.176145833
+"6:20:17 pm",		0.764085648
+"18:33:27",		0.773229167
+"31/12/2007 03:27:15",	0.143923611
+"9:44:55 pm",		0.90619213
+12,			"#VALUE!"
+"13:01",		0.542361111
+"33:45",		0.40625
+"13:01PM",		"#VALUE!"
diff --git a/unitTests/rawTestData/Calculation/DateTime/WEEKDAY.data b/unitTests/rawTestData/Calculation/DateTime/WEEKDAY.data
new file mode 100644
index 00000000..29159f56
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/WEEKDAY.data
@@ -0,0 +1,27 @@
+"24-Oct-1968",		5
+"24-Oct-1968",	2,	4
+"24-Oct-1968",	3,	3
+"2000-06-14",		4
+"2000-06-14",	2,	3
+"2000-06-14",	3,	2
+"1996-07-24",		4
+"1996-07-24",	2,	3
+"1996-07-24",	3,	2
+"1996-07-27",		7
+"1996-07-27",	2,	6
+"1996-07-27",	3,	5
+"1977-7-31",		1
+"1977-7-31",	2,	7
+"1977-7-31",	3,	6
+"1977-8-1",		2
+"1977-8-1",	2,	1
+"1977-8-1",	3,	0
+"1900-2-5",	2,	7
+"1900-2-1",		1
+38093,			6
+38093,		2,	5
+38093,		3,	4
+"3/7/1977",	"A",	"#VALUE!"
+"3/7/1977",	0,	"#NUM!"
+"Invalid",	1,	"#VALUE!"
+-1,			"#NUM!"
diff --git a/unitTests/rawTestData/Calculation/DateTime/WEEKNUM.data b/unitTests/rawTestData/Calculation/DateTime/WEEKNUM.data
new file mode 100644
index 00000000..c0011887
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/WEEKNUM.data
@@ -0,0 +1,7 @@
+"21-Dec-2000",	1,	52
+"1995-01-01",	1,	1
+"3/7/1977",		27
+"3/7/1977",	"A",	"#VALUE!"
+"3/7/1977",	0,	"#NUM!"
+"Invalid",	1,	"#VALUE!"
+-1,			"#NUM!"
diff --git a/unitTests/rawTestData/Calculation/DateTime/YEAR.data b/unitTests/rawTestData/Calculation/DateTime/YEAR.data
new file mode 100644
index 00000000..9ecc2d51
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/DateTime/YEAR.data
@@ -0,0 +1,11 @@
+,		1900
+1,		1900
+33333.33,	1991
+22269.0,	1960
+30348.0,	1983
+30843.0,	1984
+"01 Jan 2525",	2525
+"11-Nov-1918",	1918
+"28-Feb-1904",	1904
+-10,		"#NUM!"
+"ABCD",		"#VALUE!"
\ No newline at end of file
diff --git a/unitTests/rawTestData/Calculation/Engineering/CONVERTUOM.data b/unitTests/rawTestData/Calculation/Engineering/CONVERTUOM.data
index fe41bc1f..5cc8b38f 100644
--- a/unitTests/rawTestData/Calculation/Engineering/CONVERTUOM.data
+++ b/unitTests/rawTestData/Calculation/Engineering/CONVERTUOM.data
@@ -1,4 +1,5 @@
-1.0,	"lbm",	"kg",	0.453592
+1.0,	"lbm",	"kg",	0.45359230974881
+123.45,	"kg",	"kg",	123.45
 68,	"F",	"C",	20
 20,	"C",	"F",	68
 68,	"F",	"K",	293.15
@@ -10,3 +11,14 @@
 12.345,	"km",	"m",	12345
 1,	"km",	"mi",	0.62137119223733
 "three","ft",	"yds",	"#VALUE!"
+123.45,	"K",	"kel",	123.45
+123.45,	"C",	"cel",	123.45
+123.45,	"F",	"fah",	123.45
+1,	"ft",	"day",	"#N/A"
+123.45,	"m",	"m",	123.45
+234.56,	"km",	"km",	234.56
+234.56,	"kpt",	"lt",	"#N/A"
+234.56,	"sm",	"m",	"#N/A"
+234.56,	"lt",	"kpt",	"#N/A"
+234.56,	"m",	"sm",	"#N/A"
+12.345,	"km",	"mm",	12345000
diff --git a/unitTests/rawTestData/Calculation/Engineering/ERFC.data b/unitTests/rawTestData/Calculation/Engineering/ERFC.data
index e3d34730..d3c2fc57 100644
--- a/unitTests/rawTestData/Calculation/Engineering/ERFC.data
+++ b/unitTests/rawTestData/Calculation/Engineering/ERFC.data
@@ -1,4 +1,5 @@
--1.5	,-1.5,	0
+-2.5,	5,	0
+-1.5,	-1.5,	0
 -0.75,	-1.5,	0
 0,	-1.5,	0
 0.75,	-1.5,	0.288844366
diff --git a/unitTests/rawTestData/Calculation/MathTrig/INT.data b/unitTests/rawTestData/Calculation/MathTrig/INT.data
new file mode 100644
index 00000000..829b0e1f
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/MathTrig/INT.data
@@ -0,0 +1,17 @@
+,	0
+5.4,	5
+-5.4,	-6
+-3.2,	-4
+1.5,	1
+0.1,	0
+-0.1,	-1
+3,	3
+2,	2
+-2.01,	-3
+-2,	-2
+-1,	-1
+"ABC",	"#VALUE!"
+TRUE,	1
+FALSE,	0
+0,	0
+"-3.5",	-4
diff --git a/unitTests/rawTestData/Calculation/MathTrig/POWER.data b/unitTests/rawTestData/Calculation/MathTrig/POWER.data
new file mode 100644
index 00000000..46dca916
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/MathTrig/POWER.data
@@ -0,0 +1,81 @@
+-1.5,	-1.5,	"#NUM!"
+-0.75,	-1.5,	"#NUM!"
+0,	-1.5,	"#DIV/0!"
+0.75,	-1.5,	1.539600717839
+1.5,	-1.5,	0.54433105395182
+2.25,	-1.5,	0.2962962962963
+3,	-1.5,	0.19245008972988
+3.75,	-1.5,	0.13770607453182
+4.5,	-1.5,	0.10475656017579
+-1.5,	-0.75,	"#NUM!"
+-0.75,	-0.75,	"#NUM!"
+0,	-0.75,	"#DIV/0!"
+0.75,	-0.75,	1.2408064788028
+1.5,	-0.75,	0.73778794646688
+2.25,	-0.75,	0.54433105395182
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diff --git a/unitTests/rawTestData/Calculation/MathTrig/SIGN.data b/unitTests/rawTestData/Calculation/MathTrig/SIGN.data
new file mode 100644
index 00000000..a22a1e30
--- /dev/null
+++ b/unitTests/rawTestData/Calculation/MathTrig/SIGN.data
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