← ↑ 操作予測電卓 (Witten) →

.1 mc m+= +/- + 1 = exp * mr =
.2 mc m+= +/- + 1 = exp * mr =
.3 mc m+= +/- + 1 = exp * mr =
.4 mc m+= +/- + 1 = exp * mr =