WHOLE CHARACTER
算suàn
to count; to calculate; to figure accounts; to plan money matters
算 is counting and figuring: 算术 'arithmetic', 算盘 'abacus', 算账 'to settle accounts', 预算 'budget'.
ZDIC: 会意,从竹、从具 — bamboo with a counting piece. The modern bottom writes 目 over a 廾-like base; the old 具 shape is not fully preserved.
TOP: THE BAMBOO CROWN (ZDIC: 从竹)
⺮zhú
bamboo (from 竹)
The paired bamboo crown (the bound top of 竹); the written top of bamboo-related characters; not a standalone word.
In 算: top: the bamboo crown (ZDIC: 从竹) The doubled-bamboo crown form.
MIDDLE: THE WRITTEN MIDDLE PIECE
目mù
eye
Eye-related meaning clue; the standalone character means eye.
In 算: middle: the written middle piece Shown as a written piece; no standalone role is claimed here.
BOTTOM: THE 廾-LIKE WRITTEN BASE
廾gǒng
two hands (bound radical)
The two-hands bound graph (dictionary radical); a bound piece at the bottom of some characters; not a modern word.
In 算: bottom: the 廾-like written base The old account names 具; the modern base is not a clean 具 (the final strokes differ), so it is shown as a written base.