New:
• User guide: https://sites.google.com/view/powercalc-user-guide/home
• Updated physical constants based on CODATA 2022
• Fibonacci function
• Improved "guess" can find formulas like (a±√b)/c
• Matrix "size" replaced by "rows" and "cols"
• Create "I" matrix, "0" (zero) matrix and "J" (ones) matrix
Bugs fixed:
• Graph pinch zoom resulted in NaN limits