Simultaneous equations like 𝒚 = 2𝒙 - 1 and 𝒚 = 𝒙 + 1 can be represented graphically. To solve the equations graphically, the two lines 𝒚 = 𝒙 + 1 and 𝒚 = 2𝒙 - 1 are drawn on the same diagram.

Photothermal Spectroscopy Corp (PSC) are going to bundle with its instruments the world’s largest infrared (IR) and Raman library and identification software from Bio-Rad. PSC (CA, USA), the pioneer ...