Used in: 
算 
to calculate, to compute, regard as, to figure
From top: bamboo 竹, the image of an abacus 目 [= counting board], and two hands 廾 (twice this hand 屮 with the fingers 山 towards the top; simplified & combined) I use the bamboo abacus with both hands to calculate. 
篡 
to seize, to usurp
Top: calculate 算 (I use the bamboo 竹 abacus 目 with both hands 廾 to calculate), bottom: nose 厶 I calculate and my nose whats to seize an object. 
纂 
to compile, edit, bun (of hair)
Top: calculate 算 (I use the bamboo 竹 abacus 目 with both hands 廾 to calculate.), bottom: thread 糸 You have to calculate and need threads (here: package strings), when: compiling [e.g. deliveries]. 
攥 
to hold, to grip, to grasp
Left: hand 扌, right: to compile, edit 纂 (You have to calculate 算 and need threads 糸, when: compiling [e.g. deliveries]) The hand that compiles, has a hold on it. 
