In other words, leaving the fourth argument blank-or entering TRUE-gives you more flexibility. If you enter FALSE, the function will match the value provide by the first argument. If you enter TRUE, or leave the argument blank, the function returns an approximate match of the value you specify in the first argument. The third argument is the column in that range of cells that contains the value that you seek. The second argument is the range of cells, C2-:E7, in which to search for the value you want to find.
This argument can be a cell reference, or a fixed value such as "smith" or 21,000.
For VLOOKUP, this first argument is the value that you want to find. In this example, B2 is the first argument-an element of data that the function needs to work. You can calculate pre-filled values of oil classified by ISO 3448 with grades VG22, VG32, VG46 or VG68 (at viscosity Index = 100) or enter specific values for any other oils.Note: The Lookup Wizard feature is no longer available in Excel. These data is enough to determine kinematic viscosity at any other values of temperature and as well Viscosity Index. the Viscosity Index (VI) by the formulas specified in ASTM D2270 (`Standard Practice for Calculating Viscosity Index from Kinematic Viscosity at 40 and 100☌ 1`) or in ISO 2909 (`Standard Practice for Calculating Viscosity Index from Kinematic Viscosity at 40 and 100☌ 1`) or in ГОСТ 25371-2018 (`Нефтепродукты.
the kinematic viscosity values, depends from temperature, calculated by the formulas specified in ASTM D341 – (‘Standard Practice for Viscosity-Temperature Charts for Liquid Petroleum Products’).The interpolation calculator provided below is used to determine:
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