The original calculator was invented in the 17th century by a frenchman called blaise pascal! Compatible with all devices, it supports addition, subtraction, multiplication, division, and more … Some solve problems, some satisfy curiosity. · this is a simple calculator with memory functions similar to a small handheld calculator. 1582年，时任罗马教皇的格列高利十三世予以批准颁行。 公历纪年以耶稣诞生之年作为纪年的开始。 在儒略历与格里高利历中，在耶稣诞生之后的日期，称为主的年份anno domini（a. d. ）（ … Your all-in-one online calculator for quick and precise basic to scientific calculations. Discover how to input numbers and symbols, perform simple math, and calculate percentages. · use our free calculator online for quick and accurate math calculations on the go. Use the best online calculator for any math calculations on pc and smartphones. 先说明一下： 公元在拉丁语里是anno domini anno（annus的夺格）=年 domini（dominus的属格）=主 所以anno domini即为“主的年代”或“主后纪年”，简写为a. d. · 中世纪时「公元」不缩写，写为anno domini nostri jesu christi（在我主耶稣基督的年代）；「公元前」也不缩写，写为ante incarnationis dominicae tempus（在主道成肉身 … · 转 以前在英语里“ 纪元前 ”是用“ bc ”来代表，“ 纪元后 ”是用“ ad ”代表；“bc”是“before christ”（“基督前”）的首字母缩写；而“ad”则是拉丁文“anno domini”（“主的年份”）的 … He was just 18 years old, and wanted to help his father do his tax calculations. Learn how to use your basic calculator with easy-to-follow instructions. Online calculators for everything. The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise … Use this basic calculator online for math with addition, subtraction, division and … Free high-function online calculator. Calculator. nets sole focus is to provide fast, comprehensive, convenient, free online calculators in a plethora of areas. A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more. Comfortable to use on smartphones and tablets. Currently, we have around 200 calculators to help you do the math … · 然后anno domini和ante christum也都是缩写来着。 英国人采取了a. d. 表示公元，但是摒弃了a. c. 公元前，而是使用before christ，英语不就是英国人的语言么？ Handles everything from basic calculations to advanced mathematical functions. Easily perform addition, subtraction, multiplication, division, trigonometry, logarithms, and more with …
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The original calculator was invented in the 17th century by a frenchman called blaise pascal! Compatible with all devices, it supports addition, subtraction, multiplication, division,...
