C DEL ( ) ÷ 7 8 9 × 4 5 6 - 1 2 3 + 0 . = ^ (أس) √ (جذر) log ln sin cos tan sin⁻¹ cos⁻¹ tan⁻¹ π e Σ d/dx ∫ lim nCr nPr Mat Det Transpose rand mean median stdDev vars sto→ If Else While For Define ≠ ≥ ≤ = Graph Trace Zoom Table CTRL SHIFT TAB DOC MENU HOME CAS Scratchpad Numeric & Algebraic Mode