Suanpan Chinese abacus, also Suan Pan and souanpan. Counting frame and calculating tool with red beads sliding on wires in a wooden box. It is still used today, despite pocket electronic calculators.
Different types of calculators, abacus, electronic calculator or cash register display on the blue background.
Soroban Japanese abacus. Counting frame and calculating tool with red beads sliding on wires. Derived from ancient Chinese suanpan. It is still used today, despite pocket electronic calculators.
European abacus counting frame sample calculation. Calculating tool with beads sliding on wires. Used in pre- and in elementary schools as aid in teaching the numeral system and arithmetic or as toy.
European abacus counting frame. Calculating tool with rainbow colored beads sliding on wires. Used in pre- and in elementary schools as an aid in teaching the numeral system and arithmetic or as toy.
European abacus counting frame. Calculating tool with wooden beads sliding on wires. Used in pre- and in elementary schools as an aid in teaching the numeral system and arithmetic or as toy.
Maya numerals, black and white. Vigesimal, twenty-based Mayan numeral system for representing numbers and calendar dates in Maya civilization. Zero is a shell or plastron, one is a dot and five a bar.
Primitive tally marks hand drawn. Stock vector illustration for day count, numeral system isolated on white background.
Vector illustration with modern concept of artificial Intelligence. Silhouette of a human head with binary code.
Concept banner illustration of a human brain formed out of binary code digits. Artificial intelligence hi-tech and IT themed customizable template, replace text to personalize.
Blind reading. Braille English alphabet letters. Finger drives on points. Writing signs system for blind or visually impaired people. Vector
Concept of digital imaging, the binary code, using 0 and 1, define pixel and consequently digital pictures
Vector ten digits text icons are arranged into gear figure. Engineering design concept constructed from ten digits text elements.
Angles from geometry and mathematics science - GERMAN LABELING! - a summary of the possible angles plus numeral angular degree data. Isolated vector illustration on white background.
Angles from geometry and mathematics science, like ACUTE ANGLE, RIGHT ANGLE or REFLEX ANGLE, a summary of the possible angles plus numeral angular degree data. Isolated vector illustration on white background.
Braille alphabet letters. Braille is a tactile writing system used by people who are blind or visually impaired. Vector illustration.
Braille alphabet letters. Braille is a tactile writing system used by people who are blind or visually impaired. Vector illustration
The flow of a randomly moving glowing numbers on a black background.Abstract scientific vector banner for projects on technology,medicine,science and education.
Vigesimal twenty-based Maya numeral system. Zero is a shell or a plastron, one is a dot and five is a bar. Illustration.
Braille English alphabet letters. Writing signs system for blind or visually impaired people. Vector stock illustration.
Braille alphabet letters. Alphabet for the blind. Tactile writing system used by people who are blind or visually impaired. Vector illustration.
Braille alphabet letters. Alphabet for the blind. Tactile writing system used by people who are blind or visually impaired. Vector illustration.
The flow of a randomly moving glowing numbers on a black background.Abstract scientific vector banner for projects on technology,medicine,science and education.
Vector set of four technological geometric templates for cards. The patterns on the theme coding, matrix, perforation, marker lines on white background.
Dotted gear mosaic pictogram and 0.01 percent stamp. Blue vector round scratched stamp with 0.01 percent caption. Vector combination in flat style. Black isolated gear mosaic of scattered dots, and 0.
Roman numerical number 9 type nine in alphabet letter logo mark iconic design illustration for calender number or any count in badge military metal emblem with silver color
Roman numeral icons. 1, 2, 3 and 4 digit characters. Ancient Rome numeric system. Flat icons on white. Vector
Latin alphabet and numerals in international Morse Code. Visual presentation of use dots and dashes for easy learning. Grey letters and black symbols isolated on white background.
Concept of computer system error. Hands on laptop keyboard and scull on laptop red screen. Flat vector illustration.
Latin alphabet and numerals in international Morse Code. Visual presentation of use dots and dashes for easy learning. Grey letters and red symbols isolated on white background.
Roman numerical number 10 type ten in alphabet letter logo mark iconic design illustration for calender number or any count in badge military metal emblem with gold color
International Morse code, chart with 26 letters and 10 numerals. Telecommunications method which encodes text characters as standardized sequences of two different signal durations, dots and dashes.
Primitive tally marks hand drawn. Stock vector illustration for day count, numeral system isolated on white background.
Number type set of roman numerals isolated with vintage style. Vector numbers concept. Design element for clock face, banners, posters.
Roman numerical number 4 type four in alphabet letter logo mark iconic design illustration for calender number or any count in badge military metal emblem with silver color