Useful Formulas

( ! ) Warning: Undefined array key "id1" in C:\sites\legacy\tools\useful_formulas\index.php on line 67
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id2" in C:\sites\legacy\tools\useful_formulas\index.php on line 67
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id3" in C:\sites\legacy\tools\useful_formulas\index.php on line 67
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id4" in C:\sites\legacy\tools\useful_formulas\index.php on line 67
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id5" in C:\sites\legacy\tools\useful_formulas\index.php on line 68
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id6" in C:\sites\legacy\tools\useful_formulas\index.php on line 68
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id7" in C:\sites\legacy\tools\useful_formulas\index.php on line 68
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id8" in C:\sites\legacy\tools\useful_formulas\index.php on line 68
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id9" in C:\sites\legacy\tools\useful_formulas\index.php on line 69
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id1" in C:\sites\legacy\tools\useful_formulas\index.php on line 148
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id2" in C:\sites\legacy\tools\useful_formulas\index.php on line 217
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id3" in C:\sites\legacy\tools\useful_formulas\index.php on line 281
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id4" in C:\sites\legacy\tools\useful_formulas\index.php on line 346
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id5" in C:\sites\legacy\tools\useful_formulas\index.php on line 411
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id6" in C:\sites\legacy\tools\useful_formulas\index.php on line 462
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id7" in C:\sites\legacy\tools\useful_formulas\index.php on line 508
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id8" in C:\sites\legacy\tools\useful_formulas\index.php on line 555
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Warning: Undefined array key "id9" in C:\sites\legacy\tools\useful_formulas\index.php on line 601
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0

( ! ) Fatal error: Uncaught Error: Undefined constant "check" in C:\sites\legacy\tools\useful_formulas\index.php on line 669
( ! ) Error: Undefined constant "check" in C:\sites\legacy\tools\useful_formulas\index.php on line 669
Call Stack
#	Time	Memory	Function	Location
1	0.0008	447448	{main}( )	...\index.php:0