- - Summers in the Far East?
- - Adders from ancient Egypt
- - Rattling adders
- - Non-venomous adders?
- - Adders with beads
- - Early adders
- - Old adders
- - Ancient adders
- - Eastern adders?
- - Beaded adders
- - Eastern counters
- - Crude adders
- - Summers in the East?
- - They add up
- - Primitive adders
- - Eastern summers?
- - Adders
- - Ancient adding devices
- - A current hack shown up in old computers
- - people can count on them
- - grab a citation about calculators
- - mechanical arithmetic aids
- - counters a disease vector, cutting off half
- - People have counted on them for centuries
- - counting tools with beads
- - they can be used to find roots
- - bygone summers?
- - Ancient counting devices
- - items that are counter-intuitive?
- - Early computers
- - Counters in China
- - Calculators
- - Ancient computers
- - Y2K-compliant calculator
- - Things with beads
- - They're to be counted on
- - They give sum help?
- - Slide rule precursors
- - Slide calculators
- - Primitive computers
- - Pre-PC counters
- - Manual computers
- - Folks counted on them for years
- - Devices also called counting frames
- - Crude counter
- - Computing devices
- - Calculators of sorts
- - Calculation aids
- - Calculating instruments
- - Arithmetic-teaching devices
- - Counting tools
- - Counters with beads
- - Ancient counters
- - Old counters
- - Clicking counters
- - Simple calculators
- - Bead counters
- - Crude counters
- - Old calculators
- - Counting gadgets
- - Old computers?
- - Early counters
- - Summers Greeks and Romans could count on?
- - Simple counting devices
- - Counter examples?
- - Old counting devices
- - Hand calculators
- - Ancient calculators
- - Precalculator calculators
- - Quaint calculators
- - Primitive calculators
- - Beaded counters
- - Beaded calculators
- - Summers back in the day?
- - Some wooden counters
- - Beaded counting machines
- - Primitive counters
- - Beady counters
- - Battery-free calculators
- - Bamboo-and-wire gadgets
- - Early computers from America bankers rejected
- - Counting frames with beads
- - Very old calculators
- - Counting devices
- - Manual calculators
- - Calculator with no batteries
- - Clicking calculators
- - Calculators with sliding beads
- - Calculators that don't need batteries
- - Chinese calculators
- - Counters with wooden frames
- - Simple adding devices
- - Simple counters
- - Summers in China?
- - Old-style counters
- - Beady calculators
- - Wooden counters of old
- - Summers of old?
- - Ancient counting tools
- - Counters of old
- - Classroom clickers of old
- - Collectible calculators
- - Chinese counters
- - Calculators often made with bamboo frames
- - Bead counters for bean counters
- - Calculators with beads
- - Calculators' ancestors
- - Old-style calculators
- - Counting frames
- - Calculators of yore
- - Calculators of old
- - Calculating machines of old
- - Low-tech calculators
- - Rudimentary calculators
- - They can always be counted on
- - Noisy counters
- - Basic counters
- - Early adding devices
- - Summers
- - Asian counters
- - Early summers?
- - Wooden counters?
- - Basic calculators
- - Addition aids
- - You can count on these
- - You can always count on them
- - Original computers
- - Oriental counting boards
- - Comptometer precursors
- - Where people move 31-Acrosses back and forth
- - Calculator forerunners
- - Early calculators
- - You can count on them
- - Counters
- - people have been counting on them for millennia
- - a book with a name not half for counters
- - Counting devices of old
- [ Edit ]
- [ Other definitions ]