1. Conventional calculation
1) arithmetic calculation
2) fraction calculation/percentage calculation/rational calculation, etc
3) measure in seconds
4) calculation of variables (CALC)
5) formula solution (with SOLVE)
6) calculation of various functions (trigonometric/inverse trigonometric function hyperbolic/inverse hyperbolic function exponential/logarithmic function power function/power square root function integral/differential calculation sum calculation)
7) other calculations (factorial absolute value random number permutation and combined rounding function)