חדשות כלכלה שוק הון וצרכנות פיננסית – כלכליסט עמוד הבית
MDCalc - Medical calculators, equations, algorithms, and scores.
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Калькуляторы онлайн, справочник-энциклопедия
Онлайн калькуляторы
hpcalc.org - HP48 Software Archive
MedCalc
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Universal Calculators & Converters - getcalc.com
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vCalc
Time Calculator Site
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Framacalc - Tableur collaboratif en ligne
eCalc - the most reliable RC Calculator on the Web