Tables, charts analysis.
bar graphs, pie charts, and other graphs representing data
Line, scatter, surface plots.
Thematic or data maps.
Tabular data analysis.
Approximation, percentages quick calc.
Proportion, division.
Increase/decrease, successive.
Exponents, roots.
Log properties, change of base.
Arrangements and selections.
Arithmetic, geometric, summation.
Area, volume, basic shapes.
Mean, median, mode, SD.
Basic events, conditional.