NumDrill
Math You Can't Stop
A brain-training game to sharpen your mental math with arithmetic, trig, logarithms, polynomials, Make10, Make24, and more.
四則演算、三角関数、対数、多項式、Make10、Make24 などの問題で暗算力を鍛える脳トレゲーム。
Math You Can't Stop
A brain-training game to sharpen your mental math with arithmetic, trig, logarithms, polynomials, Make10, Make24, and more.
四則演算、三角関数、対数、多項式、Make10、Make24 などの問題で暗算力を鍛える脳トレゲーム。