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Help tools

The topics in this category are very useful.

Calendar
Calendar
Text functions
Text functions
Cheat sheet
Cheat sheet
Biorhythm
Biorhythm
Text in ASCII-art
Text in ASCII-art
Round images
Round images
BMI
BMI
QR-code
QR-code
Function graph
Function graph
Equation Solver
Equation Solver
Lotto generator
Lotto generator
Response time
Response time
Relative luminance
Relative luminance
Password generator
Password generator
ASCII generator
ASCII generator